Pdf Byterange的数字签名问题
我在Windev中以编程方式对PDF进行签名，第一个签名正确显示在PDF上，但当我尝试使用第二个签名对PDF进行签名时，它会添加到PDF中，并显示“签名验证期间出错”。Pdf Byterange的数字签名问题,pdf,digital-signature,Pdf,Digital Signature,我在Windev中以编程方式对PDF进行签名，第一个签名正确显示在PDF上，但当我尝试使用第二个签名对PDF进行签名时，它会添加到PDF中，并显示“签名验证期间出错”。 签名包含不正确、无法识别、损坏或可疑的数据。 支持信息：SigDict/ByteRange值”。 我不面临byterange问题，如果我在PDF上使用单一签名，我如何使用第二个签名解决问题，任何帮助都将不胜感激，以下是PDF内容 %PDF-1.4 %äãÏÒ 30 obj endobj 40 obj > 流动 xœ3RðR0Ð
签名包含不正确、无法识别、损坏或可疑的数据。 支持信息：SigDict/ByteRange值”。 我不面临byterange问题，如果我在PDF上使用单一签名，我如何使用第二个签名解决问题，任何帮助都将不胜感激，以下是PDF内容
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由于不允许在pdf签名的签名字节范围内存在多个间隙，您可能想知道如何将多个签名应用于pdf。实际上，在同一版本中不可能添加多个可互操作的签名。但是，可以在单独的版本中添加它们，例如：
有关更多背景和后续链接，请阅读。您的签名（尽管可能作为通用pdf签名有效）不是可互操作的 尤其是签名2签名字典具有以下签名字节范围数组：
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由于不允许在pdf签名的签名字节范围内存在多个间隙，您可能想知道如何将多个签名应用于pdf。实际上，在同一版本中不可能添加多个可互操作的签名。但是，可以在单独的版本中添加它们，例如：
有关更多背景和后续链接，请阅读。pdf中的一个小错误在AcroForms字典中，您的字段数组引用了Signature1两次，并引用了Signature2，而不是：
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